# -*- coding: utf-8 -*-#
#-------------------------------------------------------------------------------
# 建立者:        博智科技  
# Name:         demo1322
# Description:
# Author:       yzl
# Date:         2019-02-08
#-------------------------------------------------------------------------------

import sys
import os
import re

# 读入标准输入流
txt = sys.stdin.read()
files = txt.split(os.linesep)

for file in files:
    print('ls -al:',file)
    # # result = re.match('.*readme.*',file)
    # result = re.match('demo.*', file)
    # print(result)
    # if result:
    #     print(file)

# ls -al | python demo1322.py | sort


